You will be given a definition of a task first, then some input of the task.
In this task, you are given a context and four options. Each option is a suggested ending for the context. You should read the context and pick the best ending for the context. Please answer with "A", "B", "C", and "D". 

[header] How to coach a kids' soccer warm up drill [title] Get them to perform a pulse raising activity. [step] This gets the blood pumping and prepares the players both physically and mentally for the session. There are many ways you can achieve this : [substeps] Get them to run some laps. <sep> (A) This doesn't require much supervision or guidance, so you can set up drills for the rest of the session at the same time. And you don't even need cones! Another fun way to get them warmed up is games like' stuck in the mud'. (B) A hard, fast cooldown, would work well for kids who do not workout very much. Instead of dribbling back and forth, can jump right forward while kicking your feet up. (C) Do a standing handstand to tone them in this exercise. [title] Hit their arm and hip with soccer ball. (D) Offer some physical activity like an arm raise or dribble. This gets the ball moving so they tire faster.
Output:
A